| Patents for Norton Grinding Co. |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
| | 237,311 | Feb. 01, 1881 | F.B. Norton | Art of Preparing Emery in the Manufacture of Grinding Stones |
 | 521,836 | Jun. 26, 1894 | O.S. Walker | Bearing for emery-wheels |
 | 664,319 | Dec. 18, 1900 | M.B. Hill | Oil-stone |
 | 791,159 | May 30, 1905 | C.H. Norton | Abrasive-wheel mounting |
 | 839,080 | Dec. 18, 1906 | C.O. Smith | Machine for grinding ball bearing races |
 | 945,979 | Jan. 11, 1910 | H.N. Cudworth, J.C. Spence, C.H. Norton | Machine for grinding crankshafts |
 | 1,096,188 | May 12, 1914 | C.H. Norton | Apparatus for grinding rolls |
 | 1,150,243 | Aug. 17, 1915 | A.G. Belden | Head-stock |
| | 1,261,083 | Apr. 02, 1918 | J.S. Wilcox, Jr. | Wheel Feed for Grinding Machines |
| | 1,261,156 | Apr. 02, 1918 | C.H. Norton | Belt Drive for Grinding Machines |
